To establish mathematical model, various nonlinear factors are seriously considered, which can constrict the error between result of computer simulation after theoretical analysis and result of test.
在建立数学模型时，充分考虑了各非线性因素，缩小了理论分析、计算机仿真结果与试验结果之间的误差。
The optimum algorithm of least-square method, the measuring principle, the system structure, the disposition of software, the test result and the analysis of error are also given.
本文阐述最小二乘法的优化算法、仪器的测量原理、系统组成和软件配置，并给出试验结果及误差分析。
The test results and error analysis are presented at last.
最后介绍了测试结果及误差分析。
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